Dyfyniad APA

Sherman, H. (1960). How to turn failure into success.

Dyfyniad Arddull Chicago

Sherman, Harold. How to Turn Failure into Success. 1960.

Dyfyniad MLA

Sherman, Harold. How to Turn Failure into Success. 1960.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.